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oc_task_list

Read-onlyIdempotent

Retrieve background tasks from the Chrome automation ledger, sorted by creation date. Filter by status, kind, or creation time to monitor pending, running, or completed tasks.

Instructions

List background tasks in the ledger. Default limit=50, sorted by created_at descending. Supports status/kind/since/limit filters.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
statusNo
kindNo
sinceNoOnly tasks created at or after this ms epoch.
limitNo
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint and idempotentHint. The description adds context about default limit, sorting, and available filters, going beyond what annotations provide.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences with no unnecessary words. Front-loaded with purpose, followed by key defaults and filter options.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema is provided, and the description does not mention the return format or pagination behavior beyond the default limit. For a list tool, more details on the response structure would be helpful.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is only 25% (only 'since' has a description). The description lists the parameter names but does not explain valid values for 'status' or 'kind' or provide details beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'List' and the resource 'background tasks in the ledger'. It also specifies default limit and sorting, distinguishing it from sibling tools like oc_task_get or oc_task_run_list.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for listing tasks with filters, but does not explicitly state when to use this tool versus alternatives or provide when-not conditions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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